sys/arch/m68k/include/reg.h

   1 /*      $NetBSD: reg.h,v 1.14.2.4 2004/09/21 13:17:36 skrll Exp $       */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * the Systems Programming Group of the University of Utah Computer
   9  * Science Department.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * from: Utah Hdr: reg.h 1.1 90/07/09
  36  *
  37  *      @(#)reg.h       7.2 (Berkeley) 11/3/90
  38  */
  39 /*
  40  * Copyright (c) 1988 University of Utah.
  41  *
  42  * This code is derived from software contributed to Berkeley by
  43  * the Systems Programming Group of the University of Utah Computer
  44  * Science Department.
  45  *
  46  * Redistribution and use in source and binary forms, with or without
  47  * modification, are permitted provided that the following conditions
  48  * are met:
  49  * 1. Redistributions of source code must retain the above copyright
  50  *    notice, this list of conditions and the following disclaimer.
  51  * 2. Redistributions in binary form must reproduce the above copyright
  52  *    notice, this list of conditions and the following disclaimer in the
  53  *    documentation and/or other materials provided with the distribution.
  54  * 3. All advertising materials mentioning features or use of this software
  55  *    must display the following acknowledgement:
  56  *      This product includes software developed by the University of
  57  *      California, Berkeley and its contributors.
  58  * 4. Neither the name of the University nor the names of its contributors
  59  *    may be used to endorse or promote products derived from this software
  60  *    without specific prior written permission.
  61  *
  62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  72  * SUCH DAMAGE.
  73  *
  74  * from: Utah Hdr: reg.h 1.1 90/07/09
  75  *
  76  *      @(#)reg.h       7.2 (Berkeley) 11/3/90
  77  */
  78
  79 #ifndef _M68K_REG_H_
  80 #define _M68K_REG_H_
  81
  82 /*
  83  * Register set accessible via /proc/$pid/reg and ptrace()
  84  */
  85 struct reg {
  86         int     r_regs[16];     /* D0-D7/A0-A7 */
  87         int     r_sr;
  88         int     r_pc;
  89 };
  90
  91 struct fpreg {
  92         int     r_regs[8*3];    /* FP0-FP7 */
  93         int     r_fpcr;
  94         int     r_fpsr;
  95         int     r_fpiar;
  96 };
  97
  98 /* XXXX this is historical (but it can't be deprecated quite yet) */
  99
 100 /*
 101  * Location of the users' stored
 102  * registers relative to D0.
 103  * Usage is u.u_ar0[XX].
 104  */
 105 #define D0      (0)
 106 #define D1      (1)
 107 #define D2      (2)
 108 #define D3      (3)
 109 #define D4      (4)
 110 #define D5      (5)
 111 #define D6      (6)
 112 #define D7      (7)
 113 #define A0      (8)
 114 #define A1      (9)
 115 #define A2      (10)
 116 #define A3      (11)
 117 #define A4      (12)
 118 #define A5      (13)
 119 #define A6      (14)
 120 #define A7      (15)
 121
 122 #define FP      A6
 123 #define SP      A7
 124 #define PS      (16)
 125 #define PC      (17)
 126
 127 #ifdef _KERNEL
 128 /*
 129  * Due to a mental lapse somewhere down the line, wait returns its values
 130  * in strange registers.  Kludge it up here so we don't have to in the
 131  * machine-independent code.
 132  */
 133 #define R0      D1
 134 #define R1      A0
 135
 136 struct lwp;
 137 int     process_read_regs(struct lwp *, struct reg *);
 138 int     process_read_fpregs(struct lwp *, struct fpreg *);
 139
 140 #endif
 141
 142 #endif /* !_M68K_REG_H_ */